Analysis of information sources in references of the Wikipedia article "宇宙學年表" in Chinese language version.
|arxiv=
值 (帮助). (原始内容 (PDF)存档于2014年3月17日).|arxiv=
值 (帮助). (原始内容 (PDF)存档于2014年3月17日).The simple observation that the night sky is dark allows far-reaching conclusions to be drawn about the large-scale structure of the universe. This was already realized by J. Kepler (1610), E. Halley (1720), J.-P. Loy de Chesaux (1744), and H. W. M. Olbers (1826).
The simple observation that the night sky is dark allows far-reaching conclusions to be drawn about the large-scale structure of the universe. This was already realized by J. Kepler (1610), E. Halley (1720), J.-P. Loy de Chesaux (1744), and H. W. M. Olbers (1826).
|arxiv=
值 (帮助). (原始内容 (PDF)存档于2014年3月17日).